/**
 * @author wuhan
 * @date 2019/9/24 13:52
 * byte Byte
 * short Short
 * int Integer
 * boolean Boolean
 * float Float
 * double Double
 * char Character
 */
public class BasicDataType {

    public static void main(String[] args) {
        Integer integer= 4;
        System.out.println(integer);
        System.out.println(Integer.MAX_VALUE);
        String s = integer.toString();
        System.out.println("4".equals(s));
        String s1="124";
        int i = Integer.parseInt(s1);
        System.out.println(i);

        Integer x=4;//自动装箱
        x=x+2;//自动拆箱并装箱




    }
}
